We are very professional in the brass stop top wire. The details as follow:

Item No: Brass top and bottom stop wire
Color: Brass, Gunmetal, Bronze,
Material: Brass, Copper- nickel alloy, Red bronze

* Top stop wire for metal zipper, half round shape
Specs: M3#, 2.2mm x 0.85mm
M4#, 2.2mm x 0.85mm
M5#, 2.6mm x 1.0mm, 2.4mm x 1.0mm
M8#, 3.0mm x 0.85mm
* Top stop wire for nylon zipper, flat shape
Specs: N3#, 1.8mm x 0.4mm
N4#, 2.4mm x 0.4mm
N5#, 2.4mm x 0.4mm
N8#, 3.5mm x 0.5mm
3. Bottom stop wire, flat shape
Specs: M3#, 3.0mm x 0.5mm
M4#, 3.0mm x 0.5mm
M5#, 4.0mm x 0.5mm
M8#, 4.8mm x 0.6mm
M10#, 6.0mm x 0.6mm
Specs: N3#, 3.0mm x 0.4mm
N4#, 3.0mm x 0.4mm
N5#, 3.5mm x 0.4mm
N8#, 4.0mm x 0.45mm
N10#, 6.0mm x 0.6mm

Scope: Suitable for metal and nylon zippers and etc.
Note: For special specifications, we can customize according to your request.

Should any specification interesting in, pls let me know, we are happy give you excellent price and more better service.

Looking forward to hear from you in order to establish mutually profitable business relations.